Motor RT/L
20 0.19576
28 0.07253
28s 0.07168
4118L1804R 0.02715
4118S1404R 0.02844
4247 0.0273
D42.3 0.0223
5618 0.0146
5618R 0.0146
5918 0.0116
5918B 0.012
VSS42 0.029
VSS43 0.0256
ZSS 0.04248
DCERE25 0.2106
The motor's overheat is determined by this sequence:
calculation. There is - resistance and inductance of motor winding (refer to the motor documentation). - PWM period
time. It's value should be 51.2 us for stepper motors and 25.6 us for DC motors.
calculation. This parameter shows power voltage excess under nominal voltage. There is - power voltage, - winding
resistance, - stabilization current.
Overheat definition. After first two steps point can be plotted at the graph. Now we should define the region, which corresponds
to overheat degree. For example, the region between 1.1 and 1.2 corresponds overheat value between and
There is DCE1524 overheat calculation example:
= 25.6 us = 5.1 Ohm = 70 uH
= 1.86
Now we can draw vertical line corresponds this value (look at graph) and find out overheat with different power voltages. Let's assume
= 500 mA. Nominal voltage in this case is = 2.55 V. If power voltage exceeds nominal more than 5 times but less than 10
times DCE1524's overheat will be between 1.5 and 1.6. Motor overheats about 1.65 times with 30 V of power voltage.
All the major engines and their parameters have been marked in Tab. 1.
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